<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="test">
  </div>
</body>
<script>
  const msg = "hello ty2103"
  const test = document.getElementById('test')

  test.innerHTML = msg
</script>
</html>